package com.atguigu.gulimall.order.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration
public class GuliFeignConfig {
    @Bean
   public RequestInterceptor requestInterceptor(){

       return new RequestInterceptor() {
           @Override
           public void apply(RequestTemplate template) {
             //1.RequestContextHolder拿到刚进来的请求

               ServletRequestAttributes attributes= (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
               if(attributes!=null){
                   System.out.println("RequestInterceptor线程..."+Thread.currentThread().getId());
                   HttpServletRequest request = attributes.getRequest();//旧请求
                   if(request!=null){
                       //同步请求头，cookie
                       String cookie = request.getHeader("Cookie");
                       template.header("Cookie",cookie);
                   }
               }
           }
       };
   }


}
